Yellow Tourmaline Formation
Updated September 1, 2026
| Lot number | 0328 |
| Estimate | $400 - $500 |
| Opening bid | $175 |
| Auction | Fall Rock and Fossil Timed Clearance Auction |
| Date | September 19, 2026 at 1:00 PM EDT |
| Auction house | Fossils & Gemstones of Houston |
| Location | Houston, Texas |
Rare yellow tourmaline, mica and quartz formation. 7" x 5.25" x 3". 6 lbs, 2 oz.
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